If the tanned skin, blonde hair and pink dyed ends get too annoying (As stabble diffusion universally is trained to generate "Gyaru" characters with those characteristics, no matter the LoRa), add "Pink hair, Dyed hair, Tanned skin, dark skin, pink dyed ends" to your negative prompt, while it might not prevent images to generate with those characteristics fully, it might reduce the reiteration of them.
